London Tube disruption warning as 24-hour strike gets underway

London Underground passengers are being warned of a "severely reduced" service after Tube staff began a 24-hour strike at 6pm on Sunday. Transport for London said it was likely that most stations in Zone 1 would be closed for the entire period. Key stations including Victoria, King's Cross, Waterloo, Paddington, Euston, Bank and London Bridge will have no Underground service.